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47-89981Q1 Water Pump Kit for Mercury Mariner 4 4.5 7.5 9.8 HP

47-89981Q1 Water Pump Kit for Mercury Mariner 4 4.5 7.5 9.8 HP

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$35.19
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This Water Pump Kit is a replacement water pump assembly compatible with Mercury Mariner 4HP, 4.5HP, 7.5HP, and 9.8HP outboard motors and matches OEM Part# 47-89981Q1.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

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Product Overview

This Water Pump Kit ensures reliable cooling for your Mercury Mariner outboard. Designed for 4 to 9.8 HP motors, this water pump kit provides essential water flow to prevent overheating. Boat owners and mechanics will find this kit a necessary component for routine maintenance.

Key Features & Performance

  • Includes impeller, housing, gaskets, and seals for a complete replacement
  • Manufactured from corrosion-resistant materials for long service life
  • Direct replacement for OEM part 47-89981Q1
  • Restores cooling system efficiency to prevent engine damage
  • Easy installation with basic hand tools

Fitment & Compatibility

  • Mercury Mariner 4HP (2-stroke)
  • Mercury Mariner 4.5HP (2-stroke)
  • Mercury Mariner 7.5HP (2-stroke)
  • Mercury Mariner 9.8HP (2-stroke)

Common Uses

  • Annual water pump replacement for Mercury/Mariner outboards
  • Preventing overheating and costly engine repairs
  • Maintenance for fishing boats, dinghies, and inflatables
  • Restoring cooling performance on older motors

Technical Specifications

  • Part Number(s): 47-89981Q1

Frequently Asked Questions

Q: Is this water pump kit compatible with my Mercury 8HP? A: This kit fits Mercury Mariner 4, 4.5, 7.5, and 9.8 HP models only; please verify your engine's HP rating before purchase.

Q: Does the kit include all necessary gaskets and seals? A: Yes, the kit comes complete with impeller, housing, gaskets, and seals for a full water pump rebuild.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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